EP4568124A4 - Procédé d'indication de coefficient et appareil associé - Google Patents

Procédé d'indication de coefficient et appareil associé

Info

Publication number
EP4568124A4
EP4568124A4 EP22953803.8A EP22953803A EP4568124A4 EP 4568124 A4 EP4568124 A4 EP 4568124A4 EP 22953803 A EP22953803 A EP 22953803A EP 4568124 A4 EP4568124 A4 EP 4568124A4
Authority
EP
European Patent Office
Prior art keywords
display method
coefficient display
coefficient
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22953803.8A
Other languages
German (de)
English (en)
Other versions
EP4568124A1 (fr
Inventor
Xueyuan Gao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Publication of EP4568124A1 publication Critical patent/EP4568124A1/fr
Publication of EP4568124A4 publication Critical patent/EP4568124A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0482—Adaptive codebooks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP22953803.8A 2022-08-01 2022-09-30 Procédé d'indication de coefficient et appareil associé Pending EP4568124A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/109543 WO2024026647A1 (fr) 2022-08-01 2022-08-01 Procédé d'indication de coefficient et appareil associé
PCT/CN2022/123644 WO2024027011A1 (fr) 2022-08-01 2022-09-30 Procédé d'indication de coefficient et appareil associé

Publications (2)

Publication Number Publication Date
EP4568124A1 EP4568124A1 (fr) 2025-06-11
EP4568124A4 true EP4568124A4 (fr) 2026-03-11

Family

ID=89848312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22953803.8A Pending EP4568124A4 (fr) 2022-08-01 2022-09-30 Procédé d'indication de coefficient et appareil associé

Country Status (3)

Country Link
EP (1) EP4568124A4 (fr)
CN (2) CN117813790A (fr)
WO (2) WO2024026647A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10250313B2 (en) * 2017-03-09 2019-04-02 Samsung Electronics Co., Ltd. Method and apparatus for covariance matrix feedback in advanced wireless communication systems
KR102338306B1 (ko) * 2017-03-23 2021-12-10 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
CN111525947B (zh) * 2019-02-03 2021-11-12 大唐移动通信设备有限公司 信道状态信息的上报方法、接收方法、终端及网络侧设备
WO2020172768A1 (fr) * 2019-02-25 2020-09-03 Qualcomm Incorporated Rapport de coefficients non nuls pour livre de codes de csi de type ii avec compression de fréquence
CN111756417B (zh) * 2019-03-27 2021-05-11 电信科学技术研究院有限公司 一种信道状态信息反馈方法及装置
EP3954056B1 (fr) * 2019-04-08 2024-12-18 Nokia Technologies Oy Amélioration d'efficacité de communication
US11277247B2 (en) * 2019-04-10 2022-03-15 Samsung Electronics Co., Ltd. Method and apparatus to enable CSI reporting in wireless communication systems
US12542592B2 (en) * 2020-09-28 2026-02-03 Lenovo (Singapore) Pte. Ltd. Channel state information reporting for multiple transmit/receive points

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL: "CSI enhancement for coherent JT and mobility", vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), XP052143969, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_109-e/Docs/R1-2203151.zip R1-2203151.docx> [retrieved on 20220429] *
HUAWEI ET AL: "Discussion on CSI enhancements for Rel-17", vol. RAN WG1, no. E-meeting; 20201026 - 20201113, 1 November 2020 (2020-11-01), XP052348947, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_103-e/Docs/R1-2007592.zip R1-2007592.docx> [retrieved on 20201101] *
See also references of WO2024027011A1 *

Also Published As

Publication number Publication date
CN117813771B (zh) 2025-05-13
CN117813790A (zh) 2024-04-02
EP4568124A1 (fr) 2025-06-11
WO2024027011A1 (fr) 2024-02-08
CN117813771A (zh) 2024-04-02
WO2024026647A1 (fr) 2024-02-08

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